Question: Does A Washing Machine Drain Need A P Trap?

What size pipe should be used for a washing machine drain?

2-inchA 2-inch drain pipe is required for all washing machines.

The former requirement of 1 1/2-inch pipe is not enough to handle the fast drainage of modern washers.

As with all plumbing fixtures and appliances, a washing machine drain pipe must also contain a P-trap..

How far from the drain should a P trap be?

24 inchesMaximum Distance According to the International Residential Code, the maximum vertical distance between the sink drain and the entrance to the p-trap is 24 inches.

Do you need a drain in your laundry room?

Technically a floor drain is not required in the laundry room by code, but you would be silly not to have one. … Although a floor drain alone wouldn’t help you avoid water damage with that much water being pumped out, the floor drain would help keep that mess from becoming a huge problem for the rest of the house.

Can washer drain into utility sink?

You’ll need to add a Y before the P trap and run a new pipe up and beside the sink. … Run the drain.

Does a washing machine drain into sewer?

Washing machines drain into what is called a standpipe. A standpipe is a vertical piece of pipe with an elbow on the bottom. … The standpipe assembly keeps the water level of the washer tub below that of the drain, preventing siphoning from the drain or sewer line back into the washer.

Can a P trap be higher than the drain pipe?

6 Answers. You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally.

Do I need a vent for every drain?

Every fixture is required to have an internal or external trap; double trapping is prohibited by plumbing codes due to its susceptibility to clogging. Every plumbing fixture must also have an attached vent. The top of stacks must be vented too, via a stack vent, which is sometimes called a stink pipe.

Do showers need a trap drain?

A trap will keep water trapped in the pipe, keeping sewer gasses from coming up the drainpipes. … Shower and bathtub drain pipes must incorporate a P-trap; otherwise the health and safety of anyone in the building will be jeopardized by sewer gasses entering the building.